@misc{indiciae593744dd41f3,
  title = {Contributions to the geology and paleontology of San Juan County, New Mexico; 4, Flora of the Fruitland and Kirtland formations},
  author = {F. H. Knowlton},
  year = {1917},
  doi = {10.3133/pp98s},
  url = {https://pubs.usgs.gov/publication/pp98S},
  note = {Source identifier: pp98S}
}